Frame Relay Local Addressing

The service provider assigns each PVC two local DLCI values: one on one end of the PVC, and one for the other end. The term local DLCI has several different origins, but you can think of the word local as emphasizing the fact that from a router’s perspective, the local DLCI is the DLCI used on the local end of the PVC where the router sits. Figure 13-7 shows the idea.

Image

Figure 13-7 Two PVCs, with One DLCI per End of Each PVC

In this example, the PVC between routers A and B has two DLCIs assigned by the provider. Router A’s end uses local DLCI 41 to identify the PVC, and router B’s end uses DLCI 40 to identify the ...

Get Cisco CCNA Routing and Switching ICND2 200-101 Official Cert Guide now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.